#A4272A#A4272A

#A4272A is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.161 H 24.7°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A4272A
RGB	rgb(164, 39, 42)
HSL	hsl(359, 62%, 40%)
HSV	hsv(359, 76%, 64%)
CMYK	cmyk(0%, 76.2%, 74.4%, 35.7%)
CIE-LAB	lab(36.95, 50.42, 29.84)
CIE-LCH	lch(36.95, 58.59, 30.62°)
OKLab	oklab(47.6% 0.1465 0.0674)
OKLCH	oklch(47.6% 0.161 24.7)
XYZ	xyz(16.4552, 9.5133, 3.1598)
Luminance	0.0951 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4272A #27A4A1

analogous

#A42769 #A4272A #A46327

triadic

#A4272A #2AA427 #272AA4

tetradic

#A4272A #69A427 #27A4A1 #6327A4

square

#A4272A #69A427 #27A4A1 #6327A4

split-complementary

#A4272A #27A463 #2769A4

monochromatic

#410F11 #731B1D #A4272A #D0383C #DC6A6D

Accessibility & contrast

On white

7.24

#A4272A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A4272A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4272A

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4272A	#FFFFFF	#000000	##FFFFFF
##A4272A	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4629

Deuteranopia (green-blind)

#6C6125

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4272a;
/* rgb */ color: rgb(164, 39, 42);
/* oklch */ color: oklch(47.6% 0.161 24.7);

Tailwind

colors: {
  custom: {
    50: '#c76c64',
    500: '#a4272a',
    950: '#000000',
  },
}

SCSS

$custom: #a4272a;
$custom-light: #c76c64;
$custom-dark: #000000;

JSON

{
  "hex": "#a4272a",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 42
  },
  "hsl": {
    "h": 358.56,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.476,
    "c": 0.16124,
    "h": 24.7
  },
  "luminance": 0.09511
}

Semantic roles & 50–950 ramp

primary

#A4272A

secondary

#65C2C0

accent

#E5E143

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A4272A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →